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- W2364887330 abstract "The primary user(PU) suffers interference from both in-band subcarriers and out-band subcarriers' sidelobes of secondary users(SU) in OFDM-based cognitive radio systems.An optimal power allocation scheme was developed to protect the PUs' performance while efficiently exploiting the spectrum opportunities.The scheme was obtained by solving a convex optimization problem.The effects of the subcarrier side lobe are included unlike in the iterative partitioned water-filling algorithm.Simulations show that the optimal power allocation scheme maximizes the channel capacity while satisfying the PUs' interference power constraints." @default.
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- W2364887330 date "2009-01-01" @default.
- W2364887330 modified "2023-09-24" @default.
- W2364887330 title "Optimal power allocation in OFDM-based cognitive radio systems" @default.
- W2364887330 hasPublicationYear "2009" @default.
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